The system must not send IPv4 ICMP redirects by default.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-51317 | OSX8-00-01210 | SV-65527r1_rule | Medium |
| Description |
|---|
| The system must not send IPv4 ICMP redirects by default. |
| STIG | Date |
|---|---|
| Apple OS X 10.8 (Mountain Lion) Workstation STIG | 2015-02-10 |
Details
| Check Text ( C-53665r1_chk ) |
|---|
| To check if the system is configured to send ICMP redirects, run the following command: sysctl net.inet.ip.redirect | awk '{ print $NF }' If the value is not set to "0", this is a finding. |
| Fix Text (F-56117r1_fix) |
|---|
| To disable ICMP redirects, add the following line to /etc/sysctl.conf: net.inet.ip.redirect=0 |